If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

In one of the popular batman series movie "Batman Forever", there was a riddle that goes like "Tear me off and then scratch my head and I was red then and now I am back. Who am I?

Find the next number in the series.
1 10 24 43 67 ?

You have an empty wine bottle with a cork that has been secured at the top in a normal way. There is a metal ring inside the bottle that is suspended by a string.

How can you make the metal ring drop to the bottom if you are not allowed to touch anything - not the bottle, not the cork, not the thread and not the ring?

Can you count the number of triangles in the picture below?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Complete the table series riddle by finding the number that can replace "??".

The day after tomorrow will be three days before Tuesday. Can you find out what is today?

What makes this number unique: 8,549,176,320?

A brand new Mobile Phone was on sale at 20% as a promotional offer. By what per cent must the Mobile price be increased to sell it at the original price again?